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Jan Kurzawski

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Jan Kurzawski

PhD Student in Neuroscience (NextGenVis Project), University of Pisa

Contacts

  • Email: jan.kurzawski AT gmail.com

Research laboratories

  • CNR Institute of Neuroscience, Pisa
  • Stella Maris Foundation, Pisa, Italy

Current research and interests

  • Neuroimaging
  • Vision
  • Cortical plasticity

Education

  • 2013 – 2015: MA in Biomedical Image Sciences, University of Bergen, Norway
  • 2011 – 2013: BA/BS in Biomedical Engineering, Technical University of Lodz, Poland


Work Experience

  • University of Eastern Finland – Researcher – A.I. Virtanen Institute for Molecular Sciences
  • University of Cambridge – Erasmus placement – Wolfson Brain Imaging Centre
  • University of Turku – Intern – Turku PET Centre


Current Project

  • Cortical stability and plasticity after a short periods of monocular deprivation.

Project aims to investigate the fMRI correlates of monocular deprivation and specifically how visual responses to the deprived and fellow eye are affected by this phenomenon. Stimuli will be optimized for using the population Receptive Fields approach for fMRI data analysis.

2017

Mikellidou, K., Kurzawski, J. W., Frijia, F., Montanaro, D., Greco, V., Burr, D. C., et al. (2017). Area Prostriata in the Human Brain, Curr Biol, 19 (27), 3056-3060 e3053. PDF

Area prostriata is a cortical area at the fundus of the calcarine sulcus, described anatomically in humans [ 1–5 ] and other primates [ 6–9 ]. It is lightly myelinated and lacks the clearly defined six-layer structure evident throughout the cerebral cortex, with a thinner layer 4 and thicker layer 2 [ 10 ], characteristic of limbic cortex [ 11 ]. In the marmoset and rhesus monkey, area prostriata has cortical connections with MT+ [ 12 ], the cingulate motor cortex [ 8 ], the auditory cortex [ 13 ], the orbitofrontal cortex, and the frontal polar cortices [ 14 ]. Here we use functional magnetic resonance together with a wide-field projection system to study its functional properties in humans. With population receptive field mapping [ 15 ], we show that area prostriata has a complete representation of the visual field, clearly distinct from the adjacent area V1. As in the marmoset, the caudal-dorsal border of human prostriata—abutting V1—represents the far peripheral visual field, with eccentricities decreasing toward its rostral boundary. Area prostriata responds strongly to very fast motion, greater than 500°/s. The functional properties of area prostriata suggest that it may serve to alert the brain quickly to fast visual events, particularly in the peripheral visual field.



Theses
  • Kurzawski. J, Voxel dimension optimization for probabilistic tractography in rat brain using 7T scanner. University of Bergen, Norway (2015).
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